Search a number
-
+
82306369 = 83991643
BaseRepresentation
bin1001110011111…
…10010101000001
312201212121010001
410321332111001
5132032300434
612100040001
72016410155
oct471762501
9181777101
1082306369
1142506aa2
1223693001
131408a0c2
14ad07065
15735c114
hex4e7e541

82306369 has 4 divisors (see below), whose sum is σ = 83298096. Its totient is φ = 81314644.

The previous prime is 82306327. The next prime is 82306381. The reversal of 82306369 is 96360328.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82306369 - 215 = 82273601 is a prime.

It is a super-2 number, since 2×823063692 = 13548676755928322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82306319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495739 + ... + 495904.

It is an arithmetic number, because the mean of its divisors is an integer number (20824524).

Almost surely, 282306369 is an apocalyptic number.

It is an amenable number.

82306369 is a deficient number, since it is larger than the sum of its proper divisors (991727).

82306369 is an equidigital number, since it uses as much as digits as its factorization.

82306369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991726.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 82306369 is about 9072.2857648996. The cubic root of 82306369 is about 434.9885389150.

The spelling of 82306369 in words is "eighty-two million, three hundred six thousand, three hundred sixty-nine".

Divisors: 1 83 991643 82306369